Sci-fi Games
Discover 18201 sci-fi-tagged games on Steam. Find the best games with this tag.
Games with Sci-fi
Explore 18,201 games tagged with sci-fi

Sunderknight
Locate and descend into the pit and tear through endless waves of demons with three weapons at once! Rip open card packs, stack powerful items, and build overpowered loadouts as you fight deeper into the horde! Something ancient waits at the bottom...

The Keytox Project
The Keytox Project follows Anthony as he attempts to turn his life around. He takes a job at a government program, going to space, with his partner, Will. Their job is to hunt down alien lifeforms to ensure the safety of humanity. But what they find outside of Earth is far deeper than planned.

AGI Developer: Click Is All You Need
A clicker/incremental game themed around AGI (Artificial General Intelligence) development. Use AI to streamline AI development, build data centers and power plants, and venture into space in pursuit of even more power.

Subsuelo
Subsuelo is a horror game where you uncover an alternate version of events that took place in Argentina between 1976 and 1983. Explore a fictional facility abandoned by the government, where secret experiments were conducted in an attempt to create the ultimate weapon to win the war.

Starbase Starlight
Defend your Starbase in a vibrant roguelite shooter. Upgrade your weapons mid-run, unlock permanent rewards, and survive the endless onslaught.

Invasion Protocol
You’re not the hero, you’re the invasion. Drop in as skull-helmeted soldiers and obliterate a bug-infested planet. Choose your class, aim & fire non-stop, complete brutal objectives, and swap weapons & abilities on the fly. Unlock new classes and gear as you go. Execute the protocol.

EXO
EXO is a third person speed shooter action game where speed is the ultimate weapon. Build up speed by shooting and chaining high-velocity abilities on enemies to circle and run planet-to-planet.

AstroDig
Mine, defend, and profit across planets. Expand your operation, survive enemy waves, and discover dangerous hidden worlds in this minimalist sci-fi strategy shooter.

Star Array
In this hybrid space shooter and 4X strategy sandbox, start as a lone fighter and evolve into a galactic commander. Tow modular turrets to build a mobile fortress, loot resources, capture enemy starports, and command massive allied fleets to conquer the stars!

Accurate Jet Injection
Use jet propulsion to guide a robot through a zero-gravity space, master precise movement, and chase high scores in this arcade action game.

Creepy Scary
Play solo or in local co-op, choose your character, and race against time in a haunted cemetery. Find three magical items, hide from monsters, solve puzzles, and use special abilities to survive.

Daetrix
Daetrix is an arcade style shmup with rhythm game elements. Shoot, dash, and shine enemies to the beat of the music, while flying off ramps and grinding on rails to avoid certain death!

CARGO CRUSH ZERO
Push blocks. Crush enemies. Survive the void. CARGO CRUSH ZERO is a roguelite grid-action game set aboard a derelict space station. Outmaneuver alien creatures by sliding cargo blocks across a zero-gravity field — one wrong move and you're cornered.

Doctor Pigeon Simulator
Manage your own hospital, treat patients, and build your team. Make fast decisions in emergencies, perform CPR, unlock new areas, and upgrade your skills. A chaotic yet fun hospital simulation experience awaits you!

Void Balls
A two-button roguelite bullet hell. Parry enemies to steal their power, evolve with 15 upgrade cards, and face the Mjolnir boss. ~10 minute runs. Simple to learn. Hard to master. Every run is different.

Liminal Sick Pizza Blue
Make pizzas and deliver them. The hardest part of running the shop alone is that the delivery destinations are "liminal spaces." A story-driven 3D horror game. There is a kind of worst possible outcome that can only be born in infinite space. Once you understand it, it is already too late.

ABYSS - 9
In the year 5026, you are a disposable miner sent to the bottom of the ocean on the ABYSS-9 expedition. Pilot your 'iron coffin', manage unstable vital systems, and survive uncharted abyssal creatures. In the abyss, silence is as dangerous as the pressure.

Node Body
Node Body is a node based incremental action game where your upgrade tree is your body

ARTSEC
A short, science themed story game about a secret research facility - dedicated to unwrap the mystery behind strange, otherworldly objects. Meet unique characters, prove your worth, work in the laboratories - and lose your mind.

RIFT DIGGER
Dig into a mysterious world, build robot colonies, and fight to dominate interdimensional rifts. Automate your way to total control.